Twin Lakes fish stocking
Mason County, Washington
Twin Lakes in Mason County, Washington was last stocked on May 14, 2026 with 3,000 cutthroat trout fry from Eells Springs. Across the 5 years shown here, WDFW released 18,886 fish in 11 separate stockings. Stockings here are most common in March, April, and May.
When Twin Lakes gets fish
Stocking history
Washington reports the exact release date. Sizes for Washington are estimated from the reported fish-per-pound.
2026 · 3,620 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 3,000 | — | Fry | |
| Rainbow Trout | 620 | 9.3″ | Catchable |
2025 · 4,102 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 400 | 4.2″ | Fingerling | |
| Cutthroat Trout | 3,000 | — | Fry | |
| Rainbow Trout | 702 | 9.7″ | Catchable |
2024 · 3,701 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 3,000 | — | Fry | |
| Rainbow Trout | 701 | 9.4″ | Catchable |
2023 · 3,763 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 3,000 | 2.3″ | Fry | |
| Rainbow Trout | 763 | 9.3″ | Catchable |
2022 · 3,700 fish
| Date | Species | Fish | Size | Type |
|---|---|---|---|---|
| Cutthroat Trout | 3,000 | — | Fry | |
| Rainbow Trout | 700 | 9.1″ | Catchable |
Frequently asked questions
When was Twin Lakes last stocked?
WDFW records show Twin Lakes was last stocked on May 14, 2026 (about 5 months ago), with 3,000 cutthroat trout fry.
What fish are stocked in Twin Lakes?
Twin Lakes has been stocked with cutthroat trout and rainbow trout in the years shown here (2022–2026).
When does Twin Lakes usually get stocked?
Most fish have been stocked in March, April, and May. Exact dates change from year to year, so check back or see WDFW's official stocking page.
Do I need a license to fish Twin Lakes?
Yes, anglers generally need a valid Washington fishing license. Check the current Washington fishing regulations for seasons, limits and any special rules for Twin Lakes.
Other stocked waters in Mason County
Benson Lake
Isabella Lake
Island Lake
Melbourne Lake
Osborne Lakes
Trails End Lake
All 50 stocked waters in Mason County →
Source: WDFW Fish Plants (data.wa.gov). Stocked Lakes is not affiliated with Washington Department of Fish and Wildlife. Spot a problem? Let us know.